Jump to ratings and reviews
Rate this book

Lizzie McGuire Mysteries #3

Case of the Missing She-Geek

Rate this book
In a (failed) effort to be cool in school, Lizzie hurts the feelings of major she-geek Audrey Albright. It's a total mistake and Lizzie wants to apologize-but Audrey's disappeared. She was last seen in the girls' room, crying. Then she doesn't come to school for days. With Gordo and Miranda in tow, Lizzie follows a trail of clues to a science-fiction convention, where Larry Tudgeman becomes their guide through the underworld of geekdom. But is Lizzie really ready to go where no cool kid (like ever!) has gone before?

125 pages, Paperback

First published September 1, 2004

2 people are currently reading
69 people want to read

About the author

Lisa Banim

20 books3 followers

Ratings & Reviews

What do you think?
Rate this book

Friends & Following

Create a free account to discover what your friends think of this book!

Community Reviews

5 stars
24 (27%)
4 stars
15 (17%)
3 stars
33 (38%)
2 stars
11 (12%)
1 star
3 (3%)
Displaying 1 - 5 of 5 reviews
Profile Image for Soha Amer.
78 reviews
January 9, 2026
Lizzie McGuire: The Case of the Missing She‑Geek is a delightful and lighthearted mystery that captures the spirited charm of Lizzie and her friends. Set in the quirky, colorful world that Lizzie McGuire fans know and love, this book follows Lizzie as she stumbles into an investigation filled with humor, friendship, and unexpected twists.

What makes this story especially enjoyable is how true it feels to Lizzie’s voice — earnest, enthusiastic, and slightly chaotic in all the best ways. Lizzie’s mix of curiosity and clumsy determination drives the narrative forward, and her inner monologue is exactly the kind of relatable, self‑aware commentary that made the TV show a hit. Whether she’s deciphering clues or navigating school drama, Lizzie’s personality shines on every page.

The mystery is straightforward but engaging — perfect for middle‑grade readers and longtime fans alike. It’s not overly complex, which makes it a fun page‑turner without bogging down the pace. Along the way, you get the trademark friendships, unscripted mishaps, and heartfelt moments that feel so authentically Lizzie.

The supporting cast adds to the fun too: Gordo’s loyal nerdiness, Miranda’s blunt honesty, and Lizzie’s trademark enthusiasm make this more than just a mystery — it’s a celebration of youthful curiosity and friendship.

Overall, The Case of the Missing She‑Geek feels like a lovingly written extension of the Lizzie McGuire universe. It’s goofy, witty, and full of heart — a perfect read for anyone who grew up loving Lizzie’s adventures or for younger readers just discovering her world.
Profile Image for Jack Reynolds.
1,095 reviews
May 31, 2017
I really wanted to like this book more than I did. Really. It was very challenging in itself TBH. But in the end, Case of the Missing She-Geek didn't work out for me. Lizzie wasn't a complete brat this book, but the mystery just felt really bitter and mean-spirited in the sense that the "IF WE ASSOCIATE WITH GEEKS, WE ARE OVER!" mentality needs to die in a fire. I also didn't feel invested in what was going on and it was to the point where the small improvements from Lizzie's last case didn't hold any weight.

The build-up was bad, the new characters were bad, the plot was bad, honestly everything was bad. And the reveal at the end didn't make it any better. To me, it felt incredibly unrealistic and undermined the suspense that this case had going for it.

So in the end, the third mystery in the Lizzie McGuire Mystery series was colossally lame. This could have been executed so much better than it was and that's what mainly disappoints me. Hopefully the next one is better.
Profile Image for Mahfer.
641 reviews3 followers
December 13, 2024
This was the worst one form the series. It was so boring, but it would be a good Disney Channel episode, tho.
6,233 reviews40 followers
February 20, 2016
In this story Lizzie manages to insult someone who happens to be a fan of a particular TV series, and by insulting her she also indirectly insults the others in the school who also like the show. People start being cold and nasty to Lizzie, but there's something that's more significant, and that is that the girl Lizzie insulted has disappeared.


Lizzie wanted to apologize to the girl for what she said, but try as she may she can't find a trace of the girl anywhere. Even with the help of Miranda and Gordo they are still unable to find any clue as to where the girl has gone. The last chance is for all three of them to attend a science fiction convention, in costume, something which bothers Lizzie and Miranda quite a bit as only “geeks” would do such a thing.


They attend the convention and find out the missing girl has been under their noses all along. They also find out that putting other people down as being “geeks” really isn't the right thing to do, and that the interests of people who are considered “geeks” shouldn't just automatically be ignored as being beneath the popular and “right” students.

Another mystery not based on a specific episode, this one has more of a message to it, in relation to the idea of not putting people down simply because their interests are not the same as yours. A good story.
Displaying 1 - 5 of 5 reviews

Can't find what you're looking for?

Get help and learn more about the design.